Concept information
Preferred term
firn
Type
-
http://www.irandoc.ac.ir/onto/irandoc-meta/Concept
Narrower concepts
Definitions
- Firn is partially-compacted névé, a type of snow that has been left over from past seasons and has been recrystallized into a substance denser than névé. It is ice that is at an intermediate stage between snow and glacial ice. Firn has the appearance of wet sugar, but has a hardness that makes it extremely resistant to shovelling. It generally has a density greater than 550 kg/m³ and is often found underneath the snow that accumulates at the head of a glacier.
Obsolete
- false
In other languages
-
Persian
URI
http://www.irandoc.acir/onto/irandoc/SWEETT18322
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